The subject of this final paper is the public administration reform in 2019 in the Republic of Croatia. The first part of the paper presents the system of state administration until 2019 and the role of the state administration office in counties. Furthermore, the Strategy of Public Administration Development for the period from 2015 to 2020 is described as a comprehensive document that represents a framework for public administration development and a starting point for the most comprehensive reform of the state administration system. Afterwards, a new legislative framework for state administration is presented. Also, the paper involves the effects of state administration reform, such as taking over civil servants and employees, cases, archives and other work funds from the locally jurisdictional State Administration Office, as well as the financial consequences and the impact of the reform on the counties’ internal structure. The last part of the paper discusses the changes in the implementation of supervision over the legality of administration work.